// https://www.runoob.com/cprogramming/c-functions.html
#include <stdio.h>

int add(int x, int y);

int main () { 
  printf("func.c\n");
  int result = add(1, 2);
  printf("1+1=%d\n", result);
  return 0;
}


int add(int x, int y) {
  return x + y;
}